day 5: first draft

2 files changed, 539 insertions, 0 deletions

diff --git a/5.in b/5.in
new file mode 100644
index 0000000..40bf609
--- /dev/null
+++ b/5.in
@@ -0,0 +1,500 @@
+414,379 -> 827,379
+683,947 -> 183,947
+156,577 -> 480,577
+939,503 -> 939,959
+388,907 -> 388,349
+73,572 -> 539,106
+530,157 -> 530,530
+959,896 -> 123,60
+416,698 -> 475,698
+856,281 -> 856,943
+658,767 -> 806,915
+774,799 -> 252,799
+763,833 -> 763,469
+66,314 -> 359,314
+47,984 -> 974,57
+377,52 -> 377,739
+168,935 -> 767,935
+536,778 -> 354,778
+222,919 -> 961,180
+31,419 -> 31,390
+475,232 -> 317,232
+989,980 -> 989,855
+825,237 -> 627,39
+318,896 -> 413,801
+208,57 -> 888,57
+403,796 -> 104,796
+923,937 -> 169,183
+590,827 -> 903,514
+846,416 -> 715,416
+639,221 -> 280,221
+337,554 -> 66,554
+180,121 -> 867,808
+369,402 -> 446,402
+134,857 -> 980,11
+978,957 -> 818,797
+653,75 -> 817,75
+503,391 -> 566,391
+156,392 -> 766,392
+484,231 -> 91,231
+193,302 -> 193,947
+535,145 -> 122,558
+688,629 -> 688,584
+661,85 -> 780,85
+670,765 -> 670,32
+53,892 -> 572,373
+188,893 -> 937,893
+957,127 -> 375,127
+167,309 -> 167,460
+918,611 -> 851,611
+512,286 -> 710,484
+878,434 -> 878,152
+785,546 -> 41,546
+468,278 -> 145,601
+243,181 -> 916,854
+499,734 -> 534,734
+278,72 -> 278,242
+739,672 -> 739,965
+920,147 -> 165,147
+809,232 -> 809,42
+405,349 -> 405,178
+742,228 -> 97,228
+85,543 -> 85,454
+32,181 -> 38,187
+869,693 -> 869,822
+971,444 -> 642,115
+653,950 -> 325,622
+648,174 -> 107,174
+866,310 -> 866,409
+951,145 -> 951,237
+744,447 -> 774,417
+881,570 -> 373,570
+807,217 -> 572,217
+813,554 -> 813,80
+468,651 -> 468,67
+672,989 -> 807,854
+62,644 -> 897,644
+340,263 -> 340,237
+919,513 -> 919,489
+178,272 -> 348,442
+272,419 -> 420,419
+561,188 -> 561,502
+377,169 -> 392,184
+19,240 -> 19,663
+711,756 -> 140,756
+389,404 -> 19,774
+430,222 -> 639,222
+591,676 -> 744,676
+398,79 -> 149,79
+952,658 -> 952,304
+810,431 -> 364,877
+867,133 -> 601,133
+324,830 -> 578,830
+711,817 -> 362,817
+708,681 -> 708,982
+644,282 -> 888,282
+439,204 -> 102,204
+900,34 -> 291,643
+542,603 -> 638,603
+962,933 -> 52,23
+804,936 -> 949,936
+580,542 -> 263,859
+452,267 -> 70,267
+342,877 -> 947,877
+745,197 -> 745,905
+837,135 -> 832,135
+873,260 -> 310,823
+415,51 -> 390,51
+606,703 -> 471,838
+968,753 -> 642,753
+544,434 -> 198,88
+923,21 -> 48,896
+192,927 -> 192,863
+899,88 -> 59,928
+335,854 -> 923,266
+925,375 -> 845,295
+557,799 -> 227,799
+515,863 -> 638,863
+678,235 -> 946,503
+635,582 -> 635,698
+199,577 -> 334,712
+880,503 -> 880,236
+161,191 -> 883,913
+261,211 -> 261,446
+560,374 -> 961,775
+321,278 -> 933,890
+257,472 -> 694,909
+909,828 -> 833,828
+347,966 -> 347,256
+446,326 -> 829,326
+891,927 -> 18,54
+43,392 -> 275,624
+581,760 -> 19,760
+715,308 -> 590,433
+168,11 -> 168,827
+934,29 -> 365,29
+345,39 -> 56,39
+136,924 -> 932,128
+96,381 -> 490,381
+52,794 -> 274,794
+46,90 -> 839,883
+806,156 -> 806,212
+768,155 -> 84,839
+987,189 -> 852,54
+287,73 -> 287,950
+393,579 -> 393,348
+940,528 -> 794,528
+822,66 -> 162,66
+237,515 -> 143,421
+531,396 -> 531,314
+725,429 -> 725,281
+547,217 -> 908,217
+487,253 -> 487,125
+611,662 -> 187,238
+624,10 -> 49,585
+891,186 -> 891,588
+353,453 -> 580,453
+48,283 -> 599,283
+170,287 -> 100,357
+208,825 -> 482,825
+465,844 -> 465,667
+811,587 -> 55,587
+307,675 -> 103,675
+687,707 -> 441,953
+818,832 -> 824,826
+291,855 -> 942,204
+930,543 -> 930,966
+516,285 -> 516,817
+140,120 -> 934,914
+799,835 -> 799,355
+739,267 -> 237,267
+951,937 -> 35,21
+766,58 -> 61,763
+840,573 -> 154,573
+30,952 -> 966,16
+425,152 -> 139,438
+167,889 -> 397,659
+948,646 -> 629,965
+720,431 -> 174,431
+760,758 -> 304,758
+626,155 -> 902,431
+529,459 -> 129,459
+787,722 -> 38,722
+247,951 -> 640,951
+451,441 -> 522,441
+244,509 -> 707,509
+857,475 -> 852,470
+855,126 -> 216,765
+469,366 -> 36,799
+46,348 -> 654,956
+709,726 -> 709,970
+542,684 -> 542,393
+325,904 -> 793,436
+705,53 -> 112,646
+248,146 -> 248,141
+244,912 -> 567,912
+100,198 -> 838,936
+124,929 -> 802,251
+861,667 -> 576,382
+258,369 -> 258,972
+843,128 -> 435,128
+60,174 -> 420,174
+966,972 -> 171,972
+79,737 -> 326,737
+459,959 -> 711,959
+360,936 -> 220,936
+326,861 -> 694,493
+593,108 -> 828,108
+638,921 -> 638,460
+661,363 -> 661,885
+563,321 -> 385,321
+391,662 -> 813,240
+699,324 -> 774,399
+686,268 -> 278,268
+53,105 -> 929,981
+191,853 -> 191,875
+80,431 -> 164,431
+658,847 -> 658,201
+219,139 -> 880,139
+481,14 -> 481,851
+399,812 -> 399,782
+816,335 -> 446,335
+908,466 -> 927,466
+207,752 -> 838,121
+371,86 -> 371,38
+382,975 -> 382,489
+340,885 -> 791,434
+748,230 -> 748,644
+319,418 -> 925,418
+825,146 -> 159,146
+236,818 -> 186,818
+543,715 -> 660,832
+642,634 -> 142,134
+774,229 -> 774,877
+98,752 -> 98,834
+622,840 -> 622,285
+757,853 -> 270,366
+877,741 -> 270,134
+182,839 -> 905,116
+937,278 -> 937,943
+411,433 -> 411,585
+57,492 -> 332,492
+252,215 -> 252,930
+11,149 -> 282,420
+914,491 -> 914,300
+722,623 -> 928,829
+533,194 -> 694,194
+303,251 -> 303,168
+536,382 -> 536,578
+259,92 -> 259,935
+504,875 -> 504,351
+797,923 -> 502,628
+540,343 -> 678,205
+877,874 -> 323,874
+185,787 -> 882,90
+735,582 -> 735,355
+84,104 -> 910,930
+731,14 -> 731,848
+542,364 -> 542,371
+552,141 -> 832,141
+337,371 -> 616,371
+609,328 -> 609,15
+233,112 -> 505,112
+557,248 -> 557,357
+205,507 -> 205,93
+46,27 -> 957,938
+313,214 -> 656,214
+884,893 -> 884,206
+931,508 -> 931,965
+535,667 -> 410,667
+96,661 -> 96,82
+617,952 -> 228,952
+626,249 -> 626,772
+649,400 -> 649,136
+255,829 -> 345,829
+351,210 -> 588,210
+224,456 -> 224,86
+318,393 -> 397,393
+342,620 -> 839,123
+180,81 -> 812,81
+958,988 -> 31,61
+876,127 -> 94,909
+359,710 -> 359,161
+419,437 -> 419,124
+195,881 -> 803,273
+802,56 -> 802,934
+76,60 -> 349,60
+126,862 -> 126,791
+669,106 -> 196,579
+550,191 -> 222,191
+450,680 -> 450,887
+953,55 -> 41,967
+15,21 -> 965,971
+771,829 -> 272,330
+719,481 -> 719,743
+951,875 -> 234,875
+59,94 -> 944,979
+120,175 -> 761,816
+55,413 -> 55,693
+483,426 -> 526,426
+70,971 -> 929,112
+219,53 -> 586,420
+602,827 -> 602,983
+836,641 -> 131,641
+461,206 -> 461,466
+15,614 -> 690,614
+304,717 -> 262,717
+229,603 -> 252,580
+895,237 -> 221,911
+495,308 -> 525,308
+848,273 -> 965,156
+587,11 -> 587,412
+732,307 -> 601,307
+698,726 -> 896,726
+196,763 -> 196,277
+19,43 -> 529,43
+253,97 -> 152,97
+958,98 -> 958,342
+519,339 -> 571,339
+367,83 -> 367,466
+984,130 -> 984,310
+374,806 -> 374,64
+71,247 -> 773,949
+890,602 -> 890,146
+81,163 -> 81,834
+357,683 -> 514,683
+548,733 -> 638,733
+795,887 -> 541,887
+788,219 -> 591,22
+144,788 -> 144,332
+706,519 -> 706,241
+681,281 -> 157,281
+898,967 -> 18,87
+467,84 -> 800,417
+267,25 -> 267,813
+287,282 -> 287,348
+865,453 -> 865,923
+772,779 -> 108,115
+243,194 -> 309,194
+152,716 -> 516,716
+588,504 -> 588,443
+820,298 -> 820,752
+976,320 -> 620,676
+888,453 -> 888,147
+357,538 -> 640,538
+755,118 -> 755,582
+664,480 -> 499,480
+578,265 -> 578,554
+420,874 -> 108,874
+357,604 -> 133,380
+131,83 -> 970,922
+256,50 -> 222,50
+269,750 -> 942,750
+248,594 -> 248,361
+394,322 -> 251,322
+346,383 -> 638,383
+309,450 -> 309,872
+819,882 -> 19,882
+718,254 -> 718,710
+828,31 -> 706,153
+402,374 -> 402,841
+27,362 -> 274,362
+675,933 -> 675,54
+810,634 -> 220,44
+436,205 -> 436,752
+165,41 -> 165,773
+230,297 -> 230,342
+503,275 -> 852,275
+826,79 -> 87,79
+556,411 -> 556,190
+418,131 -> 687,400
+260,493 -> 458,295
+243,282 -> 673,712
+501,78 -> 501,176
+394,72 -> 394,650
+621,636 -> 347,636
+917,139 -> 114,942
+708,873 -> 708,423
+930,681 -> 312,63
+94,209 -> 94,136
+604,104 -> 159,104
+291,740 -> 384,740
+75,670 -> 798,670
+837,620 -> 139,620
+53,504 -> 53,373
+832,660 -> 765,660
+967,11 -> 52,926
+188,885 -> 188,397
+517,567 -> 706,567
+539,177 -> 117,599
+787,702 -> 314,702
+618,863 -> 549,863
+388,322 -> 65,322
+495,19 -> 495,366
+259,256 -> 259,497
+618,358 -> 214,762
+721,355 -> 569,203
+817,184 -> 224,777
+816,573 -> 816,376
+866,181 -> 660,181
+488,704 -> 488,325
+144,233 -> 539,628
+376,920 -> 705,920
+957,478 -> 556,879
+139,470 -> 139,364
+360,174 -> 360,345
+821,168 -> 970,19
+580,972 -> 321,713
+120,111 -> 536,527
+408,555 -> 831,555
+904,808 -> 843,869
+663,114 -> 28,749
+598,61 -> 598,74
+433,907 -> 336,907
+505,649 -> 644,510
+28,30 -> 974,976
+321,848 -> 641,848
+616,68 -> 923,375
+581,816 -> 703,816
+912,473 -> 747,473
+979,868 -> 182,868
+536,339 -> 557,360
+268,732 -> 236,732
+906,964 -> 481,964
+81,529 -> 81,495
+640,820 -> 292,820
+52,79 -> 52,695
+745,610 -> 925,610
+341,30 -> 292,30
+338,629 -> 619,629
+103,591 -> 103,527
+178,211 -> 891,924
+980,79 -> 319,740
+163,164 -> 925,926
+359,275 -> 359,974
+12,987 -> 989,10
+153,394 -> 280,394
+920,741 -> 813,634
+684,806 -> 459,581
+288,670 -> 288,781
+351,819 -> 317,819
+583,920 -> 484,920
+299,427 -> 217,427
+140,295 -> 330,105
+628,566 -> 628,256
+419,701 -> 407,701
+522,789 -> 185,789
+845,683 -> 845,323
+529,47 -> 340,47
+953,982 -> 953,556
+694,811 -> 226,343
+752,251 -> 752,439
+926,177 -> 121,982
+420,263 -> 240,443
+344,423 -> 884,963
+636,674 -> 667,674
+494,891 -> 903,482
+159,900 -> 529,530
+707,589 -> 800,682
+437,317 -> 526,317
+143,95 -> 425,377
+710,191 -> 710,960
+292,595 -> 292,803
+539,689 -> 350,689
+345,473 -> 418,473
+395,79 -> 395,52
+567,603 -> 312,348
+866,790 -> 535,790
+188,849 -> 958,79
+90,283 -> 11,283
+271,795 -> 789,795
+336,729 -> 902,729
+620,638 -> 105,638
+626,523 -> 626,907
+94,218 -> 741,865
+194,169 -> 670,645
+68,37 -> 68,416
+624,771 -> 624,139
+80,920 -> 80,707
+624,829 -> 70,829
+562,499 -> 768,499
+656,821 -> 656,967
+115,516 -> 115,693
+300,871 -> 281,871
+338,491 -> 30,799
+775,54 -> 792,54
+267,111 -> 485,111
+411,981 -> 411,98
+701,416 -> 944,416
+498,885 -> 191,885
+479,283 -> 724,283
+62,695 -> 337,695
+844,557 -> 844,969
+937,980 -> 44,87
+312,99 -> 939,726
+19,988 -> 905,988
+262,185 -> 262,26
+367,369 -> 84,369
+29,161 -> 845,977
+105,30 -> 105,693
+764,830 -> 91,157
diff --git a/5.py b/5.py
new file mode 100644
index 0000000..1e61efb
--- /dev/null
+++ b/5.py
@@ -0,0 +1,39 @@
+from collections import defaultdict, namedtuple
+from utils import open_day
+
+Pos = namedtuple('Pos', ['x', 'y'])
+
+vents = [
+    tuple(
+        Pos(*map(int, h.split(',')))
+        for h in l.rstrip().split(' -> ')
+    )
+    for l in open_day(5).read().rstrip().split('\n')
+]
+
+def gen(frm, to):
+    if to < frm:
+        to = to - 1
+        increment = -1
+    else:
+        to = to + 1
+        increment = 1
+    for i in range(frm, to, increment):
+        yield i
+
+points = defaultdict(int)
+
+for vent in vents:
+    if vent[0].x == vent[1].x:
+        for y in gen(vent[0].y, vent[1].y):
+            points[(vent[0].x, y)] += 1
+    elif vent[0].y == vent[1].y:
+        for x in gen(vent[0].x, vent[1].x):
+            points[(x, vent[0].y)] += 1
+print(sum(n >= 2 for n in points.values()))
+
+for vent in vents:
+    if vent[0].x != vent[1].x and vent[0].y != vent[1].y:
+        for x, y in zip(gen(vent[0].x, vent[1].x), gen(vent[0].y, vent[1].y)):
+            points[(x, y)] += 1
+print(sum(n >= 2 for n in points.values()))